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#ifndef log_h
#define log_h
// log.h
// nono - programme du robot 2004. {{{
//
// Copyright (C) 2004 Nicolas Schodet
//
// Robot APB Team/Efrei 2004.
//        Web: http://assos.efrei.fr/robot/
//      Email: robot AT efrei DOT fr
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
// 
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
//
// }}}

#include <string>
#include <iostream>

class Logger;

class Log : protected std::streambuf, public std::ostream
{
  public:
    enum Level
      {
	none = 0x00,
	fatal = 0x01,
	error = 0x02,
	warning = 0x04,
	info = 0x08,
	debug = 0x10,
	verydebug = 0x20,
	levelReserved = 0xffff
      };
  private:
    std::string module_;
    std::string instance_;
    std::string buffer_;
    static Logger logger_;
    Level levelMask_;
    Level curLevel_;
  public:
    /// Constructeur.
    Log (const std::string &module);
    /// Constructeur.
    Log (const std::string &module, const std::string &instance);
    /// Param�tre le niveau de log pour la prochaine sortie.
    Log &operator() (Level level);
    /// Traduit le niveau de log.
    static void toString (Level level, std::string &s);
    /// Traduit le niveau de log.
    static Level toLevel (const std::string &level);
    /// Traduit le masque de niveau de log.
    static Level toLevelMask (const std::string &level);
  protected:
    /// Appell� lorsque le tampon streambuf d�borde.
    int overflow (int c);
  private:
    /// Partie commune des constructeurs.
    void init (void);
};

#endif // log_h